added sensor tilting and rf sensor sim test cases

2026-05-03 14:32:53 -07:00
parent e950d43fc8
commit 0e39e0037d
13 changed files with 154 additions and 29 deletions
@@ -0,0 +1,23 @@
+function value = halfAngle(obj)
+    arguments (Input)
+        obj (1, 1) {mustBeA(obj, "rfSensor")};
+    end
+    arguments (Output)
+        value (1, 1) double;
+    end
+    % Sweep angular offset from boresight by evaluating transmitterGain at
+    % (obj.tilt + dtheta, obj.azimuth). The cosine difference identity guarantees
+    % the resulting angular offset from boresight equals dtheta exactly,
+    % independent of the actual pointing direction.
+    dtheta = (0:0.1:179.9)';
+    gain = obj.transmitterGain(obj.tilt + dtheta, obj.azimuth * ones(size(dtheta)));
+    target = gain(1) - 3;
+    idx = find(gain <= target, 1);
+    if isempty(idx) || idx == 1
+        value = dtheta(end);
+        return;
+    end
+    % Linear interpolation between bracketing samples
+    value = dtheta(idx-1) + (target - gain(idx-1)) * ...
+            (dtheta(idx) - dtheta(idx-1)) / (gain(idx) - gain(idx-1));
+end